Answer:
1500 N??? (I don't know if the unit is right); 7.5 m/1 sec???
Explanation:
1.)
Force: ???
Mass: 1000 kg
Acceleration: 1.5m/1 sec
1000*1.5m= 1500
2.) (not so confident on this one)
Force: 300 N
Mass: 40 kg
Acceleration: ???
300/40= 7.5
